Add 18/63 and 10/20
18/63 + 10/20 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
10/20 = 10 × 63/20 × 63 = 630/1260 - Add the two like fractions:
360/1260 + 630/1260 = 360 + 630/1260 = 990/1260 - 990/1260 simplified gives 11/14
- So, 18/63 + 10/20 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+10/20 18/63+10/40 54/63+10/20 18/63+30/20 18/63+10/60 90/63+10/20 18/63+50/20 18/63+70/20